Gwinnett scored two power-play goals to defeat Idaho 2-0 on Saturday night on CenturyLink Arena.
It was the first time Idaho has been shut out at home this season.
"It was a good indication of the style of hockey they play," coach Brad Ralph said. "They're very defensive and they don't give up a lot of goals."
It wasn't for a lack of effort on the Steelheads' part. Idaho had 40 shots on goal, but Gwinnett netminder Louis Domingue stymied every one of them.
"It was good hockey," Ralph said. "We certainly had the opportunities, but I told the guys the hockey gods decided otherwise tonight. The puck just wasn't going in for us. Most nights we would have four or five goals with that effort."
Goalie Tyler Beskorowany took the loss after allowing two goals on 20 shots as Idaho (39-17-7) dropped to 23-6-4 on its home ice.
The two teams squared off four times this season; each team won twice.
Next up for Idaho is a three-game series at Alaska, beginning Wednesday. The Aces are in first place in the Mountain Division, while Idaho is in second place. It will be the Steelheads' first visit to Alaska this season. Idaho has gone 3-1 against the Aces at CenturyLink Arena this season.
"I think it's important that we go up there and prove we can play on their ice," Ralph said. "We need to prove to ourselves again that we can compete with them."
The Steelheads have one more home series remaining in the regular season. The three-game series against Ontario begins March 20.
Chris Langrill: 377-6424